![Tiffany and Sunmi reminisce about their early days and rivalry, say they will be harsh mentors in 'Girls Planet 999'! | allkpop Tiffany and Sunmi reminisce about their early days and rivalry, say they will be harsh mentors in 'Girls Planet 999'! | allkpop](https://i.ytimg.com/vi/HyGEf_7npnk/maxresdefault.jpg)
Tiffany and Sunmi reminisce about their early days and rivalry, say they will be harsh mentors in 'Girls Planet 999'! | allkpop
![Tiffany and Sunmi appear to be bothered by the attitude of trainee Fu Yaning from 'Girls Planet 999' | allkpop Tiffany and Sunmi appear to be bothered by the attitude of trainee Fu Yaning from 'Girls Planet 999' | allkpop](https://www.allkpop.com/upload/2021/07/content/301630/web_data/allkpop_1627677493_untitled-1.jpg)
Tiffany and Sunmi appear to be bothered by the attitude of trainee Fu Yaning from 'Girls Planet 999' | allkpop
![Yeo Jin Goo, Sunmi, Tiffany and more answer queries surrounding 'Girls Planet 999' | PINKVILLA: Korean Yeo Jin Goo, Sunmi, Tiffany and more answer queries surrounding 'Girls Planet 999' | PINKVILLA: Korean](https://www.pinkvilla.com/files/image2_48_0.jpeg)
Yeo Jin Goo, Sunmi, Tiffany and more answer queries surrounding 'Girls Planet 999' | PINKVILLA: Korean
![PARTICIPANTE de “Girls Planet 999” SE BURLA de IDOL + REACCIÓN de SUNMI y TIFFANY se vuelve VIRAL - YouTube PARTICIPANTE de “Girls Planet 999” SE BURLA de IDOL + REACCIÓN de SUNMI y TIFFANY se vuelve VIRAL - YouTube](https://i.ytimg.com/vi/xuty_dl5EBo/mqdefault.jpg)
PARTICIPANTE de “Girls Planet 999” SE BURLA de IDOL + REACCIÓN de SUNMI y TIFFANY se vuelve VIRAL - YouTube
Girls' Generation's Tiffany And Sunmi Will Join Mnet's Girl Group Audition Show "Girls Planet 999" As Mentors - Koreaboo
![Stars shine brighter as Yeo Jin Goo, Sunmi, and Tiffany rock magazine cover ahead of 'Girls Planet 999' | PINKVILLA: Korean Stars shine brighter as Yeo Jin Goo, Sunmi, and Tiffany rock magazine cover ahead of 'Girls Planet 999' | PINKVILLA: Korean](https://www.pinkvilla.com/files/gp999_main.jpg)
Stars shine brighter as Yeo Jin Goo, Sunmi, and Tiffany rock magazine cover ahead of 'Girls Planet 999' | PINKVILLA: Korean
![Sarah on Twitter: "141020 sunmi & tiffany @ 2015 S/S seoul fashion week "Steve J & Yoni P show" http://t.co/sDcKHUOo0d" / Twitter Sarah on Twitter: "141020 sunmi & tiffany @ 2015 S/S seoul fashion week "Steve J & Yoni P show" http://t.co/sDcKHUOo0d" / Twitter](https://pbs.twimg.com/media/B0YRaxQCMAATCdW.jpg)
Sarah on Twitter: "141020 sunmi & tiffany @ 2015 S/S seoul fashion week "Steve J & Yoni P show" http://t.co/sDcKHUOo0d" / Twitter
![Yeo Jin Goo, Sunmi, y Tiffany hablan de sus papeles en próximo programa de competición “Girls Planet 999” | Soompi Yeo Jin Goo, Sunmi, y Tiffany hablan de sus papeles en próximo programa de competición “Girls Planet 999” | Soompi](https://0.soompi.io/wp-content/uploads/2021/07/22100435/sunmi-tiffany.jpeg)
Yeo Jin Goo, Sunmi, y Tiffany hablan de sus papeles en próximo programa de competición “Girls Planet 999” | Soompi
Sunmi Discovers "Fated" Connection With Girls' Generation's Tiffany While Sharing Her Audition Story - Koreaboo
![Girls' Generation Tiffany and Sunmi Reportedly Joining Mnet's 'Girls Planet 999' as Mentors | KpopStarz Girls' Generation Tiffany and Sunmi Reportedly Joining Mnet's 'Girls Planet 999' as Mentors | KpopStarz](https://1409791524.rsc.cdn77.org/data/images/full/579286/tiffany-and-sunmi.jpg)
Girls' Generation Tiffany and Sunmi Reportedly Joining Mnet's 'Girls Planet 999' as Mentors | KpopStarz
![Girls Generation on Twitter: "Tiffany and Sunmi at 2015 S/S SFW 'Steve J & Yoni P Show \^^/ http://t.co/8GPuHcWT2j http://t.co/wqBYOf4lU0 http://t.co/VZXej1RplF" / Twitter Girls Generation on Twitter: "Tiffany and Sunmi at 2015 S/S SFW 'Steve J & Yoni P Show \^^/ http://t.co/8GPuHcWT2j http://t.co/wqBYOf4lU0 http://t.co/VZXej1RplF" / Twitter](https://pbs.twimg.com/media/B0Yq3QwCcAAOVBh.jpg)
Girls Generation on Twitter: "Tiffany and Sunmi at 2015 S/S SFW 'Steve J & Yoni P Show \^^/ http://t.co/8GPuHcWT2j http://t.co/wqBYOf4lU0 http://t.co/VZXej1RplF" / Twitter
![Yeo Jin Goo, Sunmi, y Tiffany hablan de sus papeles en próximo programa de competición “Girls Planet 999” | Soompi Yeo Jin Goo, Sunmi, y Tiffany hablan de sus papeles en próximo programa de competición “Girls Planet 999” | Soompi](https://0.soompi.io/wp-content/uploads/2021/07/22100407/yeo-jin-goo-tiffany-sunmi.jpeg)